You won`t actually know until give any idea a try. This is a rule. When there is no pain. there is no gain. Remember?
I would rather recommend to start form reading this article about 30 tech startups ideas Mark Zuckerberg would have brought to life if he hadn’t created Facebook https://www.purrweb.com/blog/30-tech-startups-ideas/ containing a detailed guide what to do with the idea at all. Believe me I know what I am talking about. Hope it will make sense for you