How to start an MVC application

I suggest you go thru links below to understand how MVC works with EF in DB first approach:

https://docs.microsoft.com/en-us/aspnet/mvc/overview/getting-started/database-first-development/setting-up-database

https://docs.microsoft.com/en-us/aspnet/mvc/overview/getting-started/database-first-development/creating-the-web-application

http://www.c-sharpcorner.com/UploadFile/8ef97c/mvc-5-0-application-using-entity-framework-db-first-approach/

then ask any question here if you are facing any problem.

please mark my answer as accepted if it fulfils your questions.