All perfect praise be to Allaah, The Lord of the Worlds. I testify that there is none worthy of worship except Allaah, and that Muhammad is His slave and Messenger. We ask Allaah to exalt his mention as well as that of his family and all his companions.
We have not come across the opinion of Ibn Taymiyyah in relation to the place of holding one’s hands whilst standing in prayer. As regards Imaam Maalik there are different opinions, there were some scholars of his school who reported that he is of the view that it is desirable to place the right hand over the left, and some other scholars reported that he disliked this in obligatory prayers but not in supererogatory prayers, and this is the opinion adopted by the Maaliki school.
Allaah Knows best.