How do i change date format to display month and year only using moment js

I would like to change this date time format using momentjs

2017-02-01T00:00:00.000Z

to

02-2017 ( month-year )

How to change this date format to get month-year only using momentjs?

I have tried like this:

var MnthYr = moment(2017-02-01T00:00:00.000Z).format("MM-YYYY");

but I didn't get exact answer