"The Messenger of Allah said, 'Allahu Akbar' over the deceased, so he raised his hands with the first Takbir, and he placed his right (hand) over his left."  

أَنَّ رَسُولَ اللَّهُ ﷺ كَبَّرَ عَلَى جَنَازَةٍ فَرَفَعَ يَدَيْهِ فِي أَوَّلِ تَكْبِيرَةٍ وَوَضَعَ الْيُمْنَى عَلَى الْيُسْرَى