I know that in above scenario sun would rise in the West and set in the East.
The sun would still rise in the east and set in the west.
The easterly sunrise is due to the direction the Earth spins on its own axis, not its direction around the Sun. This is immediately obvious, if the opposite were true a day would actually be a year long.
If you've given appropriate time for the shift in momentum to occur, and bring the Moon along, then there likely won't be any noticeable effect. If you lose the Moon, see the relevant questionrelevant question.
If you want to see what this would look like, simply view the solar system from the south pole of the Earth.