If you are hanging it temporarily to help you memorize it, this seems permissible but hanging verses of the Quran on walls is a humiliating it as the Quran was revealed to be read, understood, and implemented, not to be used for decoration.
Kindly refer to the following link(s):
Is it permissible to hang on wall just the name ‘Allah’? (website)
Sticking duas to walls to memorize
Calligraphy Business - Do's and Don'ts
Is it permissible to hang verses of the Quran around the house or in masjids? -