Vacation trip to Quebec
 

Hi, I am planning to visit Quebec in first week of July with 2 adult and 2 kids (7 and 9 yr) . Which places should i visit in Quebec and where to stay in Hotel which is very convenient and good. Please help on this trip. Thanks in advance.

This website has plenty of info where you can start your research (and only you can make up your mind what to do):
http://www.fodors.com/world/north-america/canada

Which hotel is very convenient and in good location. Please help for the selection of hotel. My budget is CAN$150-$250. How I can book rent a car to pick in the hotel not in airport?

How can anyone suggest a hotel when you don't know where you are going? Is it Montreal, Quebec City, or one of the smaller cities? And which airport? And which activities and attractions? It is unreasonable to expect guidance to a vast part of the world based purely on guesswork or mind-reading.