Produce a SQL query to form a junction table called "movies_actors". A junction table is basically a table that contains foreign keys of different tables together so that they form transaction table. This table have 2 variables only (movie_id and actor_id). The features of these variables (that should be considered while creating these variables) are provided below.  As can be seen, a sample is given (below) from the "movies_actors" table. 

• movie_id isnumeric that has the "integer" typing and is a foreign key that should be referenced to the movie_id from the movies table.
• actor_id isnumeric that has the "integer" typing and is a foreign key that should be referenced to the actor_id from the actors table.
• Finally, note that both columns are the primary keys of this newly created table.