#1 is ok
#2 is a run-on sentence, or a comma splice.
compound sentences (almost always) require a comma
1. Turn right, and you can go to the airport.
2. Turn right, you can get to the airport.
[Which expression is grammatical?]
2 answers
3. Turn right, and you can get to the airport.
What is the difference between #1 and #3?
Are both okay?
What is the difference between #1 and #3?
Are both okay?