You can certainly try, but be aware that a very small percentage of the users here know Haskell. That would change if Sololearn adds lessons for it and adds it to code playground. Personally, I'd love to learn Haskell too. Let's all request the Sololearn team! :)
I guess you can try....if this is a coding question. especially if it is not a duplicate (try the search bar) and not easy to answer using other search engines
