Starting off on the right foot is very important in setting the general tone of a meeting. A handshake is the accepted business greeting across the Arab world, however, for various religious and social reasons, a woman may choose not to shake hands with a man and would instead place her right hand over her heart with a slight nod of the head. A man may also choose to do the same when greeting a woman. I know it might feel like you have been snubbed when you put out your hand and the other person doesn’t reciprocate, but please do not be offended and just respond with the same gesture.
Article source: http://www.huffingtonpost.co.uk/rana-nejem/arab-women-in-business_b_11817724.html?utm_hp_ref=uk-politics&ir=UK+Politics