Q. Does the Old Testament teach that Jesus is God? Thanks for any clarification that you can give.
A. Psalm 45:6-7 says, “Your throne, O God, will last for ever and ever; a scepter of justice will be the scepter of your kingdom. You love righteousness and hate wickedness; therefore God, your God, has set you above your companions by anointing you with the oil of joy.”
While at the beginning it appears that the Father is being addressed, by the end it’s clear that it’s the Son, and that the Father is calling Him God. The writer to the Hebrews agreed (Hebrews 1:8-9) showing that this is how the passage was interpreted in Biblical times.
The clearest teaching that Jesus is God probably comes from Isaiah 9:6 which you’ve likely already received as a Christmas card. It says, “For to us a child is born, to us a son is given, and the government will be on his shoulders. And he will be called Wonderful, Counselor, Mighty God, Everlasting Father, Prince of Peace.” Here, names that are attributed to the Father, Son, and Holy Spirit (Counselor) are all mentioned in reference to the Christ child.