There are certain elements that have to be present in order for an assignment to be academic. These elements are explicated in the assignment pentagon below. The five questions represent the cornerstones in scientific work, and by applying these questions to your research topic, you can qualify your research question:
From Lotte Rienecker and Peter Stray Jørgensen "Den gode opgave"
To become further acquainted with the difference between what is just a good idea and what is a valid academic problem, watch the video below, where Associate Professor at ITU, Gitte Stald, talks about how a good idea can be changed into an academic research question: