New to knitting - using two colors

I am new to knitting, taught myself using a book. I want to try a scarf using two colors. My question is do I knit with both yarns at once or do I alternate stitches? Thanks!!

Have you watched the video on this site about knitting with two colors? If not go to ‘advanced techniques’ and watch the sections ‘intarsia’ and ‘fair isle’. They will give you a great place to start.

It depends on how you want to use the colors. You can knit in stripes or a pattern or knit 1 st and slip the 2nd one creating a mosaic type effect. The videos on knitting with 2 colors will give you some idea of the options.

Thanks - I’ll look at the video!