Explainer: Can the Opposition vote out the prime minister?

The Opposition political parties in Pakistan insist they are gearing up to send the prime minister home. 

One way they plan to do so is to table a vote of no-confidence against Prime Minister Imran Khan in the National Assembly. 

The Opposition is in minority in the assembly, so how will it muster up the support? 

Geo.tv explains what the vote of no-confidence is and how many votes does the Opposition actually need to oust the premier.