If you can learn to speak japanese can you learn to write it to?

Answer 1

Yes, but there are three alphabets, one of which has thousands of characters. It will take some time to learn to read/write.

Answer 2

Yes, you can . Click the link below if you want to start learning how to write in Japanese :

Answer 3

You certainly can. Before taking a class, make sure that they teach writing. Some classes (often for business people or travellers) only teach "conversational" Japanese, not writing.

And remember the stroke order of your kanji. That's very important.