Marrakech and Tunis - 2 weeks

Would 2 weeks be enough for visiting these 2 cities and doing some day trips?

I love culture and history and think these 2 cities would be a perfect place to start exploring north african culture and explore the desert and all the beautiful architecture.

And what do you think about the safety? I would like to visit Kairo someday as well, but I think Morocco and Tunisia are slightly safer than Egypt right now because of the situation in the Middle East?