The result sees both teams move to four points, leading group C.
Morocco will face next Tanzania (Feb.22) while Ghana will play against Gambia with the matches set to decide the final ranking of the group.
The National selection opened on Tuesday its Africa U-20 Cup of Nations campaign with a 1-0 victory over its Gambian counterpart, while Ghana beat Tanzania 4-0.
Besides Mauritania, the host country, 11 countries, namely Morocco, Tunisia, Gambia, Uganda, Tanzania, Mozambique, Namibia, Ghana, Burkina Faso, Central African Republic and Cameroon qualified for this continental competition.