go over to
phr. v..phr. v.. to move from one place to another, especially to visit someone or to join a different group.
phr. v.. to move towards a person or place, often implying a change in position, affiliation, or physical location; frequently used to describe social visits or switching sides.
I think I will go over to my friend's house now.
After the meeting finished, she decided to go over to the marketing department to ask a few questions.
During the height of the conflict, several high-ranking officials chose to go over to the opposition, fundamentally shifting the political landscape.
requires an object, usually a person, place, or group, following the preposition 'to'.
distinguish between the physical movement sense and the figurative sense of changing sides or opinions; the 'to' is essential for the destination.
I will go over my friend house.I will go over to my friend's house.the preposition 'to' is required to indicate the destination or person being visited.