This would only have a chance of happening if the galaxies were colliding. This is something that can happen in that situation however stars do collid with each other even in their own galaxy. This does happen but it's rare but because of gravitational forces and momentum it's not just 2 stars passing that smack into each other. Here is an article to answer most any questions you might have. That being said passing galaxies won't have stars collide with each other because of generally they have dark matter halos.

https://astronomy.com/magazine/ask-astro/2020/05/what-would-happen-if-two-stars-collided