You would say qualifies for the world cup in Turkey. Also, you should say "I am watching" instead of just watching. So it should be:

I am watching the South American U-20 Argentina 2013 soccer games. I hope that my country, Chile, qualifies for the world cup in Turkey. 

Chile in the South American

watching the South American U-20 soccer Argentina 2013, I hope that my country Chile qualify for the world cup in Turkey