Here's the answer:
“ты хочешь пойти со мной на вечеринку?”
Watch a real native speaker say it:
Here's how it sounds in a textbook:
You could also say:
- ты хочешь пойти на вечеринку со мной?
Fun fact: the hundreds of thousands of people learning Russian with Memrise get this phrase correct 97.04% of the time!
