Your answer, "Yes", is not correct.
The correct answer to
Should you preach to the Gentiles?
is
No
as shown by
Matthew 10:5
which is
- KJV
- These twelve Jesus sent forth, and commanded them, saying, Go not into the way of the Gentiles, and into any city of the Samaritans enter ye not:
- NIV
- These twelve Jesus sent out with the following instructions: "Do not go among the Gentiles or enter any town of the Samaritans.