Although this is something you CAN do, is this something you WANT to do in the first place? Although both products are very similar, both platforms still have a complete different audience.
Just blindly reposting content from one platform to another platform might be nice for some potential quick wins, but if the audiences are completely different, you might end up hurting your brand in the long run.
Every platform is different, every audience is different. If you want to be successful, you need to tailor your message to the platform.