You can hang it up, it doesn’t matter.
Hanging a calligraphy and painting cannot explain whether Feng Shui is good or not.
Calligraphy and painting have little to do with Feng Shui. Hanging them has no advantages or disadvantages!
The important things in residential Feng Shui are the surrounding environment, the layout of the apartment and the furnishings. Calligraphy and painting are insignificant and cannot explain anything.