The first verse of the Bible is foundational in proving the Bible teaches Jesus is God. "In the beginning, God created the heaven and the earth." Clearly, the Creator is God. Make a copy of the following verses, and carry them with you as you share your faith in our Lord.
"In the beginning was the Word, and the Word was with God, and the Word was God. The same was in the beginning with God. All things were made by Him; and without Him was not any thing made that was made" (Jn. 1:1-3). If someone has any doubt about the identity of the person call the "Word," show them "And the Word was made flesh, and dwelt among us . . ." (Jn. 1:14).
"For by Him (the context is Jesus) were all things created, that are in heaven, and that are in earth, visible and invisible, whether they be thrones, or dominions, or principalities, or powers: all things were created by Him, and for Him: And He is before all things, and by Him all things consist" (Col. 1:16-17).
"And to make all men see what is the fellowship of the mystery, which from the beginning of the world hath been hid in God, who created all things by Jesus Christ" (Eph. 3:9).
"For by Him (again the context is Jesus) were all things created, that are in heaven, and that are in earth, visible and invisible, whether they be thrones, or dominions, or principalities, or powers: all things were created by Him, and for Him" (Col. 1:16).
"God, who at sundry times and in divers manners spake in time past unto the fathers by the prophets, hath in these last days spoken unto us by His Son, whom He hath appointed heir of all things, by whom also He made the worlds" (Heb. 1:1-2).
There are many other proofs, but Jesus being the Creator is my favorite!