Reverse a string c# :- Interview Question

Question :)
Input String : I am he
Output String : he am I

using System;

using System.Linq;

namespace ConsoleApplication1

{

    class Program

    {

        static void Main(string[] args)

        {

            string x = "I am he";

            var y = x.Split(' ');

            foreach (var z in y.Reverse())

            {

                Console.Write(z + " ");

            }

            Console.ReadLine();

        }

    }

}